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|Date of birth||September 7, 1979|
|Place of birth||Aliso Viejo, California, U.S.|
|Height||6 ft 1 in (1.85 m)|
|1999–02||University of San Diego|
|2001||Southern California Seahorses|
|2003||Orange County Blue Star||17||(11)|
|2003–04||Arminia Bielefeld II||20||(16)|
|* Senior club appearances and goals counted for the domestic league only.
Coiner played college soccer at the University of San Diego from 1999-2002. He was named West Coast Conference Player of the Year twice was a 2000 and 2002 NSCAA Second Team All-American. He is second all-time in school record books with forty-nine goals scored. In 2001, he played for the Southern California Seahorses during the collegiate off season. In 2003, he also played with Orange County Blue Star in the USL Premier Development League, where he played alongside Juergen Klinsmann.
Upon graduating he traveled to Germany to join Arminia Bielefeld's reserve side. After one season there appearing in twenty games with sixteen goals he was signed by German third-division side 1. FC Union Berlin. With Union Berlin he appeared in thirty-two matches, scoring twelve goals. The next season he was signed by Holstein Kiel where he would appear in thirty-one matches and score ten goals. His success in the German leagues failed to earn him a long-term contract and he was released after the 2005-06 season.
On July 13, 2006, Coiner signed with the Columbus Crew of Major League Soccer. On January 12, 2007, the Crew traded Coiner, and a first round draft pick (second overall) in the 2007 MLS SuperDraft to the Chicago Fire in exchange for Andy Herron. Coiner retired before the 2007 season.
- USD All Americans
- June 7, 2001 Soccer
- 2003 Orange County Blue Star
- "Ryan Coiner" (in German). Fussball Daten. Retrieved 2010-02-19.
- Crew acquires Herron from Chicago, selects three at MLS SuperDraft